151511856 has 40 divisors (see below), whose sum is σ = 408426240. Its totient is φ = 48307776.

The previous prime is 151511839. The next prime is 151511873. The reversal of 151511856 is 658115151.

It is an interprime number because it is at equal distance from previous prime (151511839) and next prime (151511873).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67516 + ... + 69723.

It is an arithmetic number, because the mean of its divisors is an integer number (10210656).

Almost surely, 2^151511856 is an apocalyptic number.

151511856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

151511856 is an abundant number, since it is smaller than the sum of its proper divisors (256914384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151511856 is a wasteful number, since it uses less digits than its factorization.

151511856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137273 (or 137267 counting only the distinct ones).

The product of its digits is 6000, while the sum is 33.

The square root of 151511856 is about 12309.0152327471. The cubic root of 151511856 is about 533.1084169676.

The spelling of 151511856 in words is "one hundred fifty-one million, five hundred eleven thousand, eight hundred fifty-six".